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Use BoxableView trait bound

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This commit is contained in:
Alexandre Bury 2018-03-14 13:39:30 -07:00
parent e4bf9accc3
commit 17ccda2d40
3 changed files with 17 additions and 13 deletions
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9
src/cursive.rs
View File

@ -9,7 +9,7 @@ use std::path::Path;
use std::sync::mpsc;
use theme;
use vec::Vec2;
use view::{self, AnyView, Finder, Position, View};
use view::{self, AnyView, BoxableView, Finder, Position, View};
use views::{self, LayerPosition};
/// Identifies a screen in the cursive root.
@ -454,7 +454,10 @@ impl Cursive {
/// siv.add_layer(views::TextView::new("Hello world!"));
/// # }
/// ```
pub fn add_layer<T: 'static + View>(&mut self, view: T) {
pub fn add_layer<T>(&mut self, view: T)
where
T: BoxableView,
{
self.screen_mut().add_layer(view);
}
@ -463,7 +466,7 @@ impl Cursive {
/// Fullscreen layers have no shadow.
pub fn add_fullscreen_layer<T>(&mut self, view: T)
where
T: 'static + View,
T: BoxableView,
{
self.screen_mut().add_fullscreen_layer(view);
}

6
src/views/any_box.rs
View File

@ -1,5 +1,5 @@
use std::ops::{Deref, DerefMut};
use view::{AnyView, View, ViewWrapper};
use view::{AnyView, BoxableView, ViewWrapper};
/// A boxed `AnyView`.
pub struct AnyBox {
@ -13,8 +13,8 @@ impl AnyBox {
}
/// Box the given view
pub fn boxed<T: View>(view: T) -> Self {
AnyBox::new(Box::new(view))
pub fn boxed<T: BoxableView>(view: T) -> Self {
AnyBox::new(view.as_boxed_view())
}
/// Returns the inner boxed view.

15
src/views/stack_view.rs
View File

@ -7,7 +7,8 @@ use std::cell;
use std::ops::Deref;
use theme::ColorStyle;
use vec::Vec2;
use view::{AnyView, Offset, Position, Selector, View, ViewWrapper};
use view::{AnyView, BoxableView, Offset, Position, Selector, View,
ViewWrapper};
use views::{AnyBox, Layer, ShadowView};
/// Simple stack of views.
@ -180,7 +181,7 @@ impl StackView {
/// Fullscreen layers have no shadow.
pub fn add_fullscreen_layer<T>(&mut self, view: T)
where
T: 'static + View,
T: BoxableView,
{
let boxed = AnyBox::boxed(view);
self.layers.push(Child {
@ -194,7 +195,7 @@ impl StackView {
/// Adds new view on top of the stack in the center of the screen.
pub fn add_layer<T>(&mut self, view: T)
where
T: 'static + View,
T: BoxableView,
{
self.add_layer_at(Position::center(), view);
}
@ -204,7 +205,7 @@ impl StackView {
/// Chainable variant.
pub fn layer<T>(self, view: T) -> Self
where
T: 'static + View,
T: BoxableView,
{
self.with(|s| s.add_layer(view))
}
@ -265,7 +266,7 @@ impl StackView {
/// Chainable variant.
pub fn fullscreen_layer<T>(self, view: T) -> Self
where
T: 'static + View,
T: BoxableView,
{
self.with(|s| s.add_fullscreen_layer(view))
}
@ -273,7 +274,7 @@ impl StackView {
/// Adds a view on top of the stack.
pub fn add_layer_at<T>(&mut self, position: Position, view: T)
where
T: 'static + View,
T: BoxableView,
{
let boxed = AnyBox::boxed(view);
self.layers.push(Child {
@ -294,7 +295,7 @@ impl StackView {
/// Chainable variant.
pub fn layer_at<T>(self, position: Position, view: T) -> Self
where
T: 'static + View,
T: BoxableView,
{
self.with(|s| s.add_layer_at(position, view))
}